<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        var convert = function(s, numRows) {
            if(numRows === 1) return s;
            let resultStr = "";
            resultStr.lastIndexOf()
            let arr = [];
            for(let i = numRows -1 ; i <= 0; i++) {
                for (let j = numRows - 1; j <= 0; j++) {
                    if ()
                }
            }
        };
    </script>
</body>
</html>
